<doc>
  https://www.makeapie.com/editor.html?c=xoqSlmiSRZ
</doc>
<template>
  <div>
    <div id="weilitizhuzhuangtu" style="width: 500px;height:400px;float: left;"></div>
  </div>
</template>
<script>
  import echarts from 'echarts'
  export default {

    data() {
      return {
        charts: '',
      }
    },

    mounted() {
      this.init("weilitizhuzhuangtu")
    },

    methods: {
      init(id) {
        this.charts = echarts.init(document.getElementById(id))

        // 绘制左侧面
        const CubeLeft = echarts.graphic.extendShape({
          shape: {
            x: 0,
            y: 0
          },
          buildPath: function (ctx, shape) {
            // 会canvas的应该都能看得懂，shape是从custom传入的
            const xAxisPoint = shape.xAxisPoint
            const c0 = [shape.x, shape.y]
            const c1 = [shape.x - 13, shape.y - 13]
            const c2 = [xAxisPoint[0] - 13, xAxisPoint[1] - 13]
            const c3 = [xAxisPoint[0], xAxisPoint[1]]
            ctx.moveTo(c0[0], c0[1]).lineTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).closePath()
          }
        })
        // 绘制右侧面
        const CubeRight = echarts.graphic.extendShape({
          shape: {
            x: 0,
            y: 0
          },
          buildPath: function (ctx, shape) {
            const xAxisPoint = shape.xAxisPoint
            const c1 = [shape.x, shape.y]
            const c2 = [xAxisPoint[0], xAxisPoint[1]]
            const c3 = [xAxisPoint[0] + 18, xAxisPoint[1] - 9]
            const c4 = [shape.x + 18, shape.y - 9]
            ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath()
          }
        })
        // 绘制顶面
        const CubeTop = echarts.graphic.extendShape({
          shape: {
            x: 0,
            y: 0
          },
          buildPath: function (ctx, shape) {
            const c1 = [shape.x, shape.y]
            const c2 = [shape.x + 18, shape.y - 9]
            const c3 = [shape.x + 5, shape.y - 22]
            const c4 = [shape.x - 13, shape.y - 13]
            ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath()
          }
        })
        // 注册三个面图形
        echarts.graphic.registerShape('CubeLeft', CubeLeft)
        echarts.graphic.registerShape('CubeRight', CubeRight)
        echarts.graphic.registerShape('CubeTop', CubeTop)

        const MAX = [300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300]
        const VALUE = [21.9, 26.8, 24.2, 54.9, 74.5, 78.3, 119.0, 126.9, 190.8, 123.2, 156.2, 169.3, 179.5, 155.5]
        let option = {
          backgroundColor: "#012366",

          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'shadow'
            },
            formatter: function (params, ticket, callback) {
              const item = params[1]
              return item.name + ' : ' + item.value;
            }
          },
          grid: {
            left: 40,
            right: 40,
            bottom: 100,
            top: 100,
            containLabel: true
          },
          xAxis: {
            type: 'category',
            data: ['立春', '雨水', '惊蛰', '春分', '清明', '谷雨', '立夏', '小满', '芒种', '夏至', '小暑', '大暑', '立秋', '处暑'],
            axisLine: {
              show: false,
              lineStyle: {
                color: 'white'
              }
            },
            offset: 25,
            axisTick: {
              show: false,
              length: 9,
              alignWithLabel: true,
              lineStyle: {
                color: '#7DFFFD'
              }
            },
            axisLabel: {
              show: true,
              fontSize: 16
            },
          },
          yAxis: {
            type: 'value',
            axisLine: {
              show: false,
              lineStyle: {
                color: 'white'
              }
            },
            splitLine: {
              show: false
            },
            axisTick: {
              show: false
            },
            axisLabel: {
              show: false,
              fontSize: 16
            },
            boundaryGap: ['20%', '20%']
          },
          series: [{
            type: 'custom',
            renderItem: function (params, api) {
              const location = api.coord([api.value(0), api.value(1)])
              return {
                type: 'group',
                children: [{
                  type: 'CubeLeft',
                  shape: {
                    api,
                    x: location[0],
                    y: location[1],
                    xAxisPoint: api.coord([api.value(0), 0])
                  },
                  style: {
                    fill: 'rgba(47,102,192,.27)'
                  }
                }, {
                  type: 'CubeRight',
                  shape: {
                    api,
                    x: location[0],
                    y: location[1],
                    xAxisPoint: api.coord([api.value(0), 0])
                  },
                  style: {
                    fill: 'rgba(59,128,226,.27)'
                  }
                }, {
                  type: 'CubeTop',
                  shape: {
                    api,
                    x: location[0],
                    y: location[1],
                    xAxisPoint: api.coord([api.value(0), 0])
                  },
                  style: {
                    fill: 'rgba(72,156,221,.27)'
                  }
                }]
              }
            },
            data: MAX
          }, {
            type: 'custom',
            renderItem: (params, api) => {
              const location = api.coord([api.value(0), api.value(1)])
              var color = api.value(1) > 2000 ? 'red' : new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                offset: 0,
                color: 'rgba(67,102,243,1)'
              },
              {
                offset: 1,
                color: 'rgba(29,67,243,1)'
              }
              ])
              return {
                type: 'group',
                children: [{
                  type: 'CubeLeft',
                  shape: {
                    api,
                    xValue: api.value(0),
                    yValue: api.value(1),
                    x: location[0],
                    y: location[1],
                    xAxisPoint: api.coord([api.value(0), 0])
                  },
                  style: {
                    fill: color
                  }
                }, {
                  type: 'CubeRight',
                  shape: {
                    api,
                    xValue: api.value(0),
                    yValue: api.value(1),
                    x: location[0],
                    y: location[1],
                    xAxisPoint: api.coord([api.value(0), 0])
                  },
                  style: {
                    fill: color
                  }
                }, {
                  type: 'CubeTop',
                  shape: {
                    api,
                    xValue: api.value(0),
                    yValue: api.value(1),
                    x: location[0],
                    y: location[1],
                    xAxisPoint: api.coord([api.value(0), 0])
                  },
                  style: {
                    fill: color
                  }
                }]
              }
            },
            data: VALUE
          }, {
            type: 'bar',
            label: {
              normal: {
                show: true,
                position: 'top',

                fontSize: 16,
                color: '#fff',
                offset: [2, -25]
              }
            },
            itemStyle: {
              color: 'transparent'
            },
            tooltip: {

            },
            data: MAX
          }]
        }


        // 使用刚指定的配置项和数据显示图表。
        this.charts.setOption(option);
      }
    },

  }
</script>
<style scoped>

</style>